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发明名称
Foldable eyeshade
摘要
申请公布号
US2632164(A)
申请公布日期
1953.03.24
申请号
US19510214460
申请日期
1951.03.08
申请人
HANFORD WALTER L
发明人
HANFORD WALTER L.
分类号
G02C7/08;G02C7/16;G02C9/02
主分类号
G02C7/08
代理机构
代理人
主权项
地址
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